diff --git a/Modules/Segmentation/ConnectedComponents/wrapping/itkConnectedComponentImageFilter.wrap b/Modules/Segmentation/ConnectedComponents/wrapping/itkConnectedComponentImageFilter.wrap
index f5cf77a8033..9dc3f469147 100644
--- a/Modules/Segmentation/ConnectedComponents/wrapping/itkConnectedComponentImageFilter.wrap
+++ b/Modules/Segmentation/ConnectedComponents/wrapping/itkConnectedComponentImageFilter.wrap
@@ -1,7 +1,7 @@
 itk_wrap_class("itk::ConnectedComponentImageFilter" POINTER)
 # Create wrappers from every selected integral (signed and un) type to every
 # selected unsigned type. Also force ulong output for the watershed filter.
-unique(to_types "UL;${WRAP_ITK_INT}")
+unique(to_types "UL;${ITKM_IT};${WRAP_ITK_INT}")
 # Supports too few labels.
 list(REMOVE_ITEM to_types "UC")
 itk_wrap_image_filter_combinations("${WRAP_ITK_INT}" "${to_types}" 2+)